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Push or Pull?

Kronos

Kronos

Kronos

Soldato
Joined
11 Nov 2009
Posts
4,784
Location
Edinburgh
Just got myself one of these http://www.silverstonetek.com/product.php?pid=398

And I will probably only be using one fan with it and this fan will need to sit so it is covering the black fins, ( I will be covering the radiator casing with some white 4D Carbon Fibre Vinyl Wrap),

Given that the rear of the case only 90mm fans I will need to fit this either to the top or the front of the case, as yet I am undecided which at the moment.

Should the fan be blowing air across the fins or sucking and will this change depending on where I situate the radiator.

At the moment I do not have fans for the top of the case but I do have 2 x 120mm at the front drawing air in and 2 x 90mm exhausting air at the rear.
 
Push with a decent SP fan usually works better. However it depends how hard you're pushing the CPU. If you're running moderate clocks then pull will be fine. It's only really if you're totally ragging the CPU that push and pull may make a difference.
 
ALXAndy said:
Push with a decent SP fan usually works better. However it depends how hard you're pushing the CPU. If you're running moderate clocks then pull will be fine. It's only really if you're totally ragging the CPU that push and pull may make a difference.
Click to expand...

This has a very modest clock so pulling will be fine. Does that advice change if I say that it is likely that I will fix the rad/fan in the roof of the case as opposed to the front?
 
Kronos said:
This has a very modest clock so pulling will be fine. Does that advice change if I say that it is likely that I will fix the rad/fan in the roof of the case as opposed to the front?
Click to expand...

It all depends on what you you have and how the whole rig is set up.

Personally I would have a 120 in the front and the rad in the top as hot air rises. It can then double as a top exhaust.

Do bear in mind that Parvums were totally designed with water in mind so as soon as Corsair release a bracket for your GPU I would AIO that too.
 
ALXAndy said:
It all depends on what you you have and how the whole rig is set up.

Personally I would have a 120 in the front and the rad in the top as hot air rises. It can then double as a top exhaust.

Do bear in mind that Parvums were totally designed with water in mind so as soon as Corsair release a bracket for your GPU I would AIO that too.
Click to expand...

Just to clarify,You say have the radiator hard up against the roof and the fan below?
It would have to be that way as I need to cover the black fins. I have covered the outside of the radiator with some white carbon wrap to match the blue/white colour scheme.

njWbQhC.jpg.png
 
Pull has the added advantage of not clogging to the rad with dust over time. Couple this up with a small amount of positive pressure in the case as a whole (so long as the case has sufficient passive vents and intakes are filtered) for minimal dust buildup.
 
Air should always be pulled through a radiator, otherwise you have air getting bounced back. Which reduces the cooling efficiency.

For a heatsink you should have it push.
 
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